| Patents Granted on 1921-03-?? |
Patents 1 -
15
of 42
      |
| Number | Date | Patentee | Title | Type |
| 1,369,784 | Mar. 01, 1921 | G.D. Chenette | Wrench | screw adjust wrenches |
| 1,369,829 | Mar. 01, 1921 | P.S. Minges | Compound Tool | wrench combination tools |
| 1,369,869 | Mar. 01, 1921 | S.E. Wright | Portable Forge | portable forges |
| 1,369,968 | Mar. 01, 1921 | E.R. Draver | Feed-regulator | |
| 1,370,194 | Mar. 01, 1921 | A.M. Cunha | Wrench | wrench handle components |
| 1,370,310 | Mar. 01, 1921 | F.A. Gustavson | Micrometer Caliper Attachment | micrometer attachments |
| D57,239 | Mar. 08, 1921 | P. Kuzmjak | Pair Of Tongs | pliers |
| D57,252 | Mar. 08, 1921 | E.W. Myers | Handle For Pliers or Similar Gripping Surfaces | pliers |
| CA-209,162 | Mar. 08, 1921 | P. Hunt, H.W. Hunt, H. Hunt | Twist drill point grinding machine | drill grinders |
| CA-209,318 | Mar. 08, 1921 | W.F. Zimmermann | Meule a vis Tangente | gear grinding machines |
| 1,370,598 | Mar. 08, 1921 | D.H. Lapointe | Chuck | drill press chucks |
| 1,370,642 | Mar. 08, 1921 | J.G. Grove | Oil-Test Wrench | automotive specialty wrenches |
| 1,370,744 | Mar. 08, 1921 | F. Diehl | Winding-machine | machine making |
| 1,370,825 | Mar. 08, 1921 | C.L. Long | Turning-head for woodworking-machines | cutterheads |
| 1,370,895 | Mar. 08, 1921 | E.G. Loomis | Shaper | wood shapers |
